Vertex Standard EVX-531 Service Manual page 14

4. s (sql)
quelCh
This parameter is to align the SQL (Squelch) Sensitivity. There are several alignment items as follows in the Squelch Sensitivity.
Threshold SQL Level (Wide/Narrow)
The alignment for the Noise SQL Threshold level at Wide
(5k/4k) or Narrow (2.5k).
Normal RSSI Level (Wide/Narrow)
The alignment for the RSSI Normal level at Wide (5k/4k) or
Narrow (2.5k).
Tight RSSI Level (Wide/Narrow)
The alignment for the RSSI Tight level at Wide (5k/4k) or Nar-
row (2.5k).
SQL Close Level (Wide/Narrow)
The alignment for the Noise SQL Close level at Wide (5k/4k)
or Narrow (2.5k).
RSSI Close Level (Wide/Narrow)
The alignment for the RSSI Close level at Wide (5k/4k) or Nar-
row (2.5k).
The procedure for all the alignments is as follows.
1. Click the "Start" button you wish to align to open the "SQL/
RSSI Alignment" window.
2. Click the "Start" button on the desired alignment item to open
other window.
3. Set the RF Signal Generator according to the indication of the
window, then click the "Start" button.
4. The automatic alignment will start to get the optimum level.
5. The alignment result will appear in the "New" box.
On the following alignment items, click the "Next" button and
then repeat step 2-5 several times according to the indication of
the window.
Threshold SQL Level (Wide/Narrow)
Normal RSSI Level (Wide/Narrow)
Tight RSSI Level (Wide/Narrow)
Other alignment items has not extra step; only one step proce-
dure.
6. Click the "OK" button, then the data will be saved and the
alignment is finished.
EVX-531 VHF Service Manual
Alignment
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